Harry Wallop investigates Britain's soaring food prices as Christmas quickly approaches and discovers how some products have been secretly reformulated with cheaper ingredients. Plus, how some big brands have managed to sustain and even increase profit margins despite their rising costs and how loyalty-card discounts are really funded.

Starring:

Barnaby Kay, Jane Moore, Jon Snow, Mark Thomas, Max Clifford, Paul McGann, Rosie Rowell, Sophie Okonedo

Genre:

Documentary